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Date:         Thu, 19 Feb 2009 20:19:03 -0800
Reply-To:     Kim Springer <kimspringer@ASTOUND.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Kim Springer <kimspringer@ASTOUND.NET>
Subject:      Re: Broken Catalytic converter
In-Reply-To:  <c4e7c5f90902191901i567f026fv651d037452429b36@mail.gmail.com>
Content-Type: text/plain; charset="US-ASCII"

Take it to muffler shop and have them fix it. It sounds like the mounting was stressed rather than bolted in place with all the flanges tightened, it was probably mounted and the flanges tightened last to that the stress was on the metal.

On a related note, I tried to go cheap once and install used primary pipes. I think they were used to their original installation and not the stress of the second use (my install). They worked fine for a few months and then both cracked just like you would expect a tube in torsion to, down the length of the pipe ans somewhat radially. Now maybe they were thin from their original use, but had they died on their original installation, then they probably would have just blown a hole through near the flange or rusted through aling the pipe somewhere?

How have your primary pipes failed with age? Rusted out? Cracked?

Anyway, my bet is that the cat was stressed due to installation, causing it to crack.

Just my 2 cents,

Kim

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of neil N Sent: Thursday, February 19, 2009 7:02 PM To: vanagon@GERRY.VANAGON.COM Subject: Re: Broken Catalytic converter

On Thu, Feb 19, 2009 at 6:27 PM, Bill Nagle <wnagle@nc.rr.com> wrote: > Less than 2000 Miles ago I got a new tiico engine, new catalytic > converter and muffler, etc....the CC has cracked apart just before the > muffler attachment. Do I just replace it or is there a simple fix I > could do? > > Is this a characteristic of tiicos? > Thanks > Bill Nagle > '85 Westy > wnagle@nc.rr.com >

A new Tiico engine/exhaust system with less than 2000 miles on it?

IMO, if ALL parts installed correctly, I would suspect a faulty or lesser quality cat before suspecting the Tiico design.

Though not a Tiico conversion, to put it in perspective, on my Jetta 2.0 conversion, I ran my new exhaust system with a poorly designed exhaust mounting, system (now rectified) for ~2000 km's. The cat was fine. (though not so for the brackets!) The cat is still fine after 6000+ KM's.

Fix? Remove it, take it to a weldor and ask. :)

Neil.

-- Neil Nicholson '81 VanaJetta "Jaco"

http://tubaneil.googlepages.com/

http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engine s


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